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authorTrond Myklebust <Trond.Myklebust@netapp.com>2005-10-18 14:20:21 -0700
committerTrond Myklebust <Trond.Myklebust@netapp.com>2005-10-18 14:20:21 -0700
commit550f57470c6506f5ef3c708335dea6bd48bf3dc4 (patch)
treebe34cc170cce1e103baec1976f7903528eb4ff4d /fs/locks.c
parentb8e5c4c2978fa666287525a9de2fa648a7581262 (diff)
downloadop-kernel-dev-550f57470c6506f5ef3c708335dea6bd48bf3dc4.zip
op-kernel-dev-550f57470c6506f5ef3c708335dea6bd48bf3dc4.tar.gz
NFSv4: Ensure that we recover from the OPEN + OPEN_CONFIRM BAD_STATEID race
If the server is in the unconfirmed OPEN state for a given open owner and receives a second OPEN for the same open owner, it will cancel the state of the first request and set up an OPEN_CONFIRM for the second. This can cause a race that is discussed in rfc3530 on page 181. The following patch allows the client to recover by retrying the original open request. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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